<template>
    <div class="sy-skeleton" :style="{width,height}" :class="{shan:animated}">
        <!-- 盒子 -->
        <div class="block" :style="{backgroundColor:bg}"></div>
        <!-- 闪动效果为sy-skeleton伪元素 -->
    </div>
</template>

<script>
export default {
  name: 'sy-skeleton',
  props: {
    bg: {
      type: String,
      default: '#efefef'
    },
    width: {
      type: String,
      default: '100px'
    },
    height: {
      type: String,
      default: '100px'
    },
    animated: {
      type: Boolean,
      default: false
    }
  }
}
</script>

<style lang="less" scoped>
.sy-skeleton{
    display: inline-block;
    position: relative;
    overflow: hidden;
    vertical-align: middle;
    .block{
        width: 100%;
        height: 100%;
        border-radius: 2px;
    }
}
.shan{
    &::after{
        content: "";
        position: absolute;
        animation: shan 1.5s ease 0s infinite;
        top:0;
        width: 50%;
        height: 100%;
        background: linear-gradient(to left,
        rgba(255,255,255,0) 0,
        rgba(255,255,255,0.3) 50%,
        rbga(255,255,255,0) 100%);
        transform: skewX(-45deg);
    }
}
@keyframes shan{
    0%{
        left:-100%;
    }
    100%{
        left:120%;
    }
}
</style>
